If you can't connect to 5 GHz WiFi on Windows 11/10 but the 2.4 GHz WiFi band works fine, see this post for the working fixes.

Can't connect your Surface to a 5GHz wireless network? Then you're probably using the newest Marvell wireless driver, and this is how you can get around the problem on Windows 10.

T-Mobile and TCL are releasing a new 5G mobile device that plugs directly into your tablet or laptop. The TCL Linkport IK511 adds 5G connectivity to devices with a USB-C connection.

A leak from Apple’s internal code reveals the company is testing an M5 MacBook Pro with a built-in 5G modem. More details here.